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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tomcat.jni;
/** SSL Context
*
* @author Mladen Turk
*/
public final class SSLContext {
/**
* Initialize new SSL context
* @param pool The pool to use.
* @param protocol The SSL protocol to use. It can be any combination of
* the following:
*
* {@link SSL#SSL_PROTOCOL_SSLV2}
* {@link SSL#SSL_PROTOCOL_SSLV3}
* {@link SSL#SSL_PROTOCOL_TLSV1}
* {@link SSL#SSL_PROTOCOL_TLSV1_1}
* {@link SSL#SSL_PROTOCOL_TLSV1_2}
* {@link SSL#SSL_PROTOCOL_ALL} ( == all TLS versions, no SSL)
*
* @param mode SSL mode to use
*
* SSL_MODE_CLIENT
* SSL_MODE_SERVER
* SSL_MODE_COMBINED
*
*/
public static native long make(long pool, int protocol, int mode)
throws Exception;
/**
* Free the resources used by the Context
* @param ctx Server or Client context to free.
* @return APR Status code.
*/
public static native int free(long ctx);
/**
* Set Session context id. Usually host:port combination.
* @param ctx Context to use.
* @param id String that uniquely identifies this context.
*/
public static native void setContextId(long ctx, String id);
/**
* Associate BIOCallback for input or output data capture.
*
* First word in the output string will contain error
* level in the form:
*
* [ERROR] -- Critical error messages
* [WARN] -- Warning messages
* [INFO] -- Informational messages
* [DEBUG] -- Debugging messaged
*
* Callback can use that word to determine application logging level
* by intercepting write call.
* If the bio is set to 0 no error messages will be displayed.
* Default is to use the stderr output stream.
* @param ctx Server or Client context to use.
* @param bio BIO handle to use, created with SSL.newBIO
* @param dir BIO direction (1 for input 0 for output).
*/
public static native void setBIO(long ctx, long bio, int dir);
/**
* Set OpenSSL Option.
* @param ctx Server or Client context to use.
* @param options See SSL.SSL_OP_* for option flags.
*/
public static native void setOptions(long ctx, int options);
/**
* Get OpenSSL Option.
* @param ctx Server or Client context to use.
* @return options See SSL.SSL_OP_* for option flags.
*/
public static native int getOptions(long ctx);
/**
* Clears OpenSSL Options.
* @param ctx Server or Client context to use.
* @param options See SSL.SSL_OP_* for option flags.
*/
public static native void clearOptions(long ctx, int options);
/**
* Sets the "quiet shutdown" flag for ctx to be
* mode. SSL objects created from ctx inherit the
* mode valid at the time and may be 0 or 1.
*
* Normally when a SSL connection is finished, the parties must send out
* "close notify" alert messages using L<SSL_shutdown(3)|SSL_shutdown(3)>
* for a clean shutdown.
*
* When setting the "quiet shutdown" flag to 1, SSL.shutdown
* will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
* (SSL_shutdown then behaves like called with
* SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
* The session is thus considered to be shutdown, but no "close notify" alert
* is sent to the peer. This behaviour violates the TLS standard.
* The default is normal shutdown behaviour as described by the TLS standard.
* @param ctx Server or Client context to use.
* @param mode True to set the quiet shutdown.
*/
public static native void setQuietShutdown(long ctx, boolean mode);
/**
* Cipher Suite available for negotiation in SSL handshake.
*
* This complex directive uses a colon-separated cipher-spec string consisting
* of OpenSSL cipher specifications to configure the Cipher Suite the client
* is permitted to negotiate in the SSL handshake phase. Notice that this
* directive can be used both in per-server and per-directory context.
* In per-server context it applies to the standard SSL handshake when a
* connection is established. In per-directory context it forces a SSL
* renegotiation with the reconfigured Cipher Suite after the HTTP request
* was read but before the HTTP response is sent.
* @param ctx Server or Client context to use.
* @param ciphers An SSL cipher specification.
*/
public static native boolean setCipherSuite(long ctx, String ciphers)
throws Exception;
/**
* Set File of concatenated PEM-encoded CA CRLs or
* directory of PEM-encoded CA Certificates for Client Auth
*
* This directive sets the all-in-one file where you can assemble the
* Certificate Revocation Lists (CRL) of Certification Authorities (CA)
* whose clients you deal with. These are used for Client Authentication.
* Such a file is simply the concatenation of the various PEM-encoded CRL
* files, in order of preference.
*
* The files in this directory have to be PEM-encoded and are accessed through
* hash filenames. So usually you can't just place the Certificate files there:
* you also have to create symbolic links named hash-value.N. And you should
* always make sure this directory contains the appropriate symbolic links.
* Use the Makefile which comes with mod_ssl to accomplish this task.
* @param ctx Server or Client context to use.
* @param file File of concatenated PEM-encoded CA CRLs for Client Auth.
* @param path Directory of PEM-encoded CA Certificates for Client Auth.
*/
public static native boolean setCARevocation(long ctx, String file,
String path)
throws Exception;
/**
* Set File of PEM-encoded Server CA Certificates
*
* This directive sets the optional all-in-one file where you can assemble the
* certificates of Certification Authorities (CA) which form the certificate
* chain of the server certificate. This starts with the issuing CA certificate
* of of the server certificate and can range up to the root CA certificate.
* Such a file is simply the concatenation of the various PEM-encoded CA
* Certificate files, usually in certificate chain order.
*
* But be careful: Providing the certificate chain works only if you are using
* a single (either RSA or DSA) based server certificate. If you are using a
* coupled RSA+DSA certificate pair, this will work only if actually both
* certificates use the same certificate chain. Else the browsers will be
* confused in this situation.
* @param ctx Server or Client context to use.
* @param file File of PEM-encoded Server CA Certificates.
* @param skipfirst Skip first certificate if chain file is inside
* certificate file.
*/
public static native boolean setCertificateChainFile(long ctx, String file,
boolean skipfirst);
/**
* Set BIO of PEM-encoded Server CA Certificates
*
* This directive sets the optional all-in-one file where you can assemble the
* certificates of Certification Authorities (CA) which form the certificate
* chain of the server certificate. This starts with the issuing CA certificate
* of of the server certificate and can range up to the root CA certificate.
* Such a file is simply the concatenation of the various PEM-encoded CA
* Certificate files, usually in certificate chain order.
*
* But be careful: Providing the certificate chain works only if you are using
* a single (either RSA or DSA) based server certificate. If you are using a
* coupled RSA+DSA certificate pair, this will work only if actually both
* certificates use the same certificate chain. Otherwsie the browsers will be
* confused in this situation.
* @param ctx Server or Client context to use.
* @param bio BIO of PEM-encoded Server CA Certificates.
* @param skipfirst Skip first certificate if chain file is inside
* certificate file.
*/
public static native boolean setCertificateChainBio(long ctx, long bio, boolean skipfirst);
/**
* Set Certificate
*
* Point setCertificateFile at a PEM encoded certificate. If
* the certificate is encrypted, then you will be prompted for a
* pass phrase. Note that a kill -HUP will prompt again. A test
* certificate can be generated with `make certificate' under
* built time. Keep in mind that if you've both a RSA and a DSA
* certificate you can configure both in parallel (to also allow
* the use of DSA ciphers, etc.)
*
* If the key is not combined with the certificate, use key param
* to point at the key file. Keep in mind that if
* you've both a RSA and a DSA private key you can configure
* both in parallel (to also allow the use of DSA ciphers, etc.)
* @param ctx Server or Client context to use.
* @param cert Certificate file.
* @param key Private Key file to use if not in cert.
* @param password Certificate password. If null and certificate
* is encrypted, password prompt will be displayed.
* @param idx Certificate index SSL_AIDX_RSA or SSL_AIDX_DSA.
*/
public static native boolean setCertificate(long ctx, String cert,
String key, String password,
int idx)
throws Exception;
/**
* Set Certificate
*
* Point setCertificate at a PEM encoded certificate stored in a BIO. If
* the certificate is encrypted, then you will be prompted for a
* pass phrase. Note that a kill -HUP will prompt again. A test
* certificate can be generated with `make certificate' under
* built time. Keep in mind that if you've both a RSA and a DSA
* certificate you can configure both in parallel (to also allow
* the use of DSA ciphers, etc.)
*
* If the key is not combined with the certificate, use key param
* to point at the key file. Keep in mind that if
* you've both a RSA and a DSA private key you can configure
* both in parallel (to also allow the use of DSA ciphers, etc.)
* @param ctx Server or Client context to use.
* @param certBio Certificate BIO.
* @param keyBio Private Key BIO to use if not in cert.
* @param password Certificate password. If null and certificate
* is encrypted, password prompt will be displayed.
* @param idx Certificate index SSL_AIDX_RSA or SSL_AIDX_DSA.
*/
public static native boolean setCertificateBio(
long ctx, long certBio, long keyBio, String password, int idx) throws Exception;
/**
* Set the size of the internal session cache.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_set_cache_size.html
*/
public static native long setSessionCacheSize(long ctx, long size);
/**
* Get the size of the internal session cache.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_get_cache_size.html
*/
public static native long getSessionCacheSize(long ctx);
/**
* Set the timeout for the internal session cache in seconds.
* http://www.openssl.org/docs/ssl/SSL_CTX_set_timeout.html
*/
public static native long setSessionCacheTimeout(long ctx, long timeoutSeconds);
/**
* Get the timeout for the internal session cache in seconds.
* http://www.openssl.org/docs/ssl/SSL_CTX_set_timeout.html
*/
public static native long getSessionCacheTimeout(long ctx);
/**
* Set the mode of the internal session cache and return the previous used mode.
*/
public static native long setSessionCacheMode(long ctx, long mode);
/**
* Get the mode of the current used internal session cache.
*/
public static native long getSessionCacheMode(long ctx);
/**
* Session resumption statistics methods.
* http://www.openssl.org/docs/ssl/SSL_CTX_sess_number.html
*/
public static native long sessionAccept(long ctx);
public static native long sessionAcceptGood(long ctx);
public static native long sessionAcceptRenegotiate(long ctx);
public static native long sessionCacheFull(long ctx);
public static native long sessionCbHits(long ctx);
public static native long sessionConnect(long ctx);
public static native long sessionConnectGood(long ctx);
public static native long sessionConnectRenegotiate(long ctx);
public static native long sessionHits(long ctx);
public static native long sessionMisses(long ctx);
public static native long sessionNumber(long ctx);
public static native long sessionTimeouts(long ctx);
/**
* TLS session ticket key resumption statistics.
*/
public static native long sessionTicketKeyNew(long ctx);
public static native long sessionTicketKeyResume(long ctx);
public static native long sessionTicketKeyRenew(long ctx);
public static native long sessionTicketKeyFail(long ctx);
/**
* Set TLS session ticket keys.
*
*
The first key in the list is the primary key. Tickets dervied from the other keys
* in the list will be accepted but updated to a new ticket using the primary key. This
* is useful for implementing ticket key rotation.
*
* @see RFC 5077
*/
public static void setSessionTicketKeys(long ctx, SessionTicketKey[] keys) {
if (keys == null || keys.length == 0) {
throw new IllegalArgumentException("Length of the keys should be longer than 0.");
}
byte[] binaryKeys = new byte[keys.length * SessionTicketKey.TICKET_KEY_SIZE];
for (int i = 0; i < keys.length; i++) {
SessionTicketKey key = keys[i];
int dstCurPos = SessionTicketKey.TICKET_KEY_SIZE * i;
System.arraycopy(key.getName(), 0, binaryKeys, dstCurPos, SessionTicketKey.NAME_SIZE);
dstCurPos += SessionTicketKey.NAME_SIZE;
System.arraycopy(key.getHmacKey(), 0, binaryKeys, dstCurPos, SessionTicketKey.HMAC_KEY_SIZE);
dstCurPos += SessionTicketKey.HMAC_KEY_SIZE;
System.arraycopy(key.getAesKey(), 0, binaryKeys, dstCurPos, SessionTicketKey.AES_KEY_SIZE);
}
setSessionTicketKeys0(ctx, binaryKeys);
}
/**
* Set TLS session keys.
*
* @deprecated prefer {@link #setSessionTicketKeys(long, SessionTicketKey[])}
*/
@Deprecated
public static void setSessionTicketKeys(long ctx, byte[] keys) {
if (keys.length % SessionTicketKey.TICKET_KEY_SIZE != 0) {
throw new IllegalArgumentException("Session ticket keys provided were wrong size. keys.length % " + SessionTicketKey.TICKET_KEY_SIZE + " must be 0");
}
setSessionTicketKeys0(ctx, keys);
}
/**
* Set TLS session keys.
*/
private static native void setSessionTicketKeys0(long ctx, byte[] keys);
/**
* Set File and Directory of concatenated PEM-encoded CA Certificates
* for Client Auth
*
* This directive sets the all-in-one file where you can assemble the
* Certificates of Certification Authorities (CA) whose clients you deal with.
* These are used for Client Authentication. Such a file is simply the
* concatenation of the various PEM-encoded Certificate files, in order of
* preference. This can be used alternatively and/or additionally to
* path.
*
* The files in this directory have to be PEM-encoded and are accessed through
* hash filenames. So usually you can't just place the Certificate files there:
* you also have to create symbolic links named hash-value.N. And you should
* always make sure this directory contains the appropriate symbolic links.
* Use the Makefile which comes with mod_ssl to accomplish this task.
* @param ctx Server or Client context to use.
* @param file File of concatenated PEM-encoded CA Certificates for
* Client Auth.
* @param path Directory of PEM-encoded CA Certificates for Client Auth.
*/
public static native boolean setCACertificate(long ctx, String file,
String path)
throws Exception;
/**
* Set file for randomness
* @param ctx Server or Client context to use.
* @param file random file.
*/
public static native void setRandom(long ctx, String file);
/**
* Set SSL connection shutdown type
*
* The following levels are available for level:
*
* SSL_SHUTDOWN_TYPE_STANDARD
* SSL_SHUTDOWN_TYPE_UNCLEAN
* SSL_SHUTDOWN_TYPE_ACCURATE
*
* @param ctx Server or Client context to use.
* @param type Shutdown type to use.
*/
public static native void setShutdownType(long ctx, int type);
/**
* Set Type of Client Certificate verification and Maximum depth of CA Certificates
* in Client Certificate verification.
*
* This directive sets the Certificate verification level for the Client
* Authentication. Notice that this directive can be used both in per-server
* and per-directory context. In per-server context it applies to the client
* authentication process used in the standard SSL handshake when a connection
* is established. In per-directory context it forces a SSL renegotiation with
* the reconfigured client verification level after the HTTP request was read
* but before the HTTP response is sent.
*
* The following levels are available for level:
*
* SSL_CVERIFY_NONE - No client Certificate is required at all
* SSL_CVERIFY_OPTIONAL - The client may present a valid Certificate
* SSL_CVERIFY_REQUIRE - The client has to present a valid Certificate
* SSL_CVERIFY_OPTIONAL_NO_CA - The client may present a valid Certificate
* but it need not to be (successfully) verifiable
*
*
* The depth actually is the maximum number of intermediate certificate issuers,
* i.e. the number of CA certificates which are max allowed to be followed while
* verifying the client certificate. A depth of 0 means that self-signed client
* certificates are accepted only, the default depth of 1 means the client
* certificate can be self-signed or has to be signed by a CA which is directly
* known to the server (i.e. the CA's certificate is under
* setCACertificatePath), etc.
* @param ctx Server or Client context to use.
* @param level Type of Client Certificate verification.
* @param depth Maximum depth of CA Certificates in Client Certificate
* verification.
*/
public static native void setVerify(long ctx, int level, int depth);
/**
* Allow to hook {@link CertificateVerifier} into the handshake processing.
* This will call {@code SSL_CTX_set_cert_verify_callback} and so replace the default verification
* callback used by openssl
* @param ctx Server or Client context to use.
* @param verifier the verifier to call during handshake.
*/
public static native void setCertVerifyCallback(long ctx, CertificateVerifier verifier);
/**
* Allow to hook {@link CertificateRequestedCallback} into the certificate choosing process.
* This will call {@code SSL_CTX_set_client_cert_cb} and so replace the default verification
* callback used by openssl
* @param ctx Server or Client context to use.
* @param callback the callback to call during certificate selection.
*/
public static native void setCertRequestedCallback(long ctx, CertificateRequestedCallback callback);
/**
* Set next protocol for next protocol negotiation extension
* @param ctx Server context to use.
* @param nextProtos comma delimited list of protocols in priority order
*
* @deprecated use {@link #setNpnProtos(long, String[], int)}
*/
@Deprecated
public static void setNextProtos(long ctx, String nextProtos) {
setNpnProtos(ctx, nextProtos.split(","), SSL.SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL);
}
/**
* Set next protocol for next protocol negotiation extension
* @param ctx Server context to use.
* @param nextProtos protocols in priority order
* @param selectorFailureBehavior see {@link SSL#SSL_SELECTOR_FAILURE_NO_ADVERTISE}
* and {@link SSL#SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL}
*/
public static native void setNpnProtos(long ctx, String[] nextProtos, int selectorFailureBehavior);
/**
* Set application layer protocol for application layer protocol negotiation extension
* @param ctx Server context to use.
* @param alpnProtos protocols in priority order
* @param selectorFailureBehavior see {@link SSL#SSL_SELECTOR_FAILURE_NO_ADVERTISE}
* and {@link SSL#SSL_SELECTOR_FAILURE_CHOOSE_MY_LAST_PROTOCOL}
*/
public static native void setAlpnProtos(long ctx, String[] alpnProtos, int selectorFailureBehavior);
/**
* Set DH parameters
* @param ctx Server context to use.
* @param cert DH param file (can be generated from e.g. {@code openssl dhparam -rand - 2048 > dhparam.pem} -
* see the OpenSSL documentation).
*/
public static native void setTmpDH(long ctx, String cert)
throws Exception;
/**
* Set length of the DH to use.
*
* @param ctx Server context to use.
* @param length the length.
*/
public static native void setTmpDHLength(long ctx, int length);
/**
* Set ECDH elliptic curve by name
* @param ctx Server context to use.
* @param curveName the name of the elliptic curve to use
* (available names can be obtained from {@code openssl ecparam -list_curves}).
*/
public static native void setTmpECDHByCurveName(long ctx, String curveName)
throws Exception;
/**
* Set the context within which session be reused (server side only)
* http://www.openssl.org/docs/ssl/SSL_CTX_set_session_id_context.html
*
* @param ctx Server context to use.
* @param sidCtx can be any kind of binary data, it is therefore possible to use e.g. the name
* of the application and/or the hostname and/or service name
* @return {@code true} if success, {@code false} otherwise.
*/
public static native boolean setSessionIdContext(long ctx, byte[] sidCtx);
/**
* Call SSL_CTX_set_mode
*
* @param ctx context to use
* @param mode the mode
* @return the set mode.
*/
public static native int setMode(long ctx, int mode);
/**
* Call SSL_CTX_get_mode
*
* @param ctx context to use
* @return the mode.
*/
public static native int getMode(long ctx);
}